Plug In Compact Fluorescent (CFL) Ballasts where Input Volts is 277V, Lamps by Wattage is 2 x 20W - 29W, Length is 2" - under 5", Number of Lamps is 2, Max Load is 50 - 74W, Start Type is Instant, and Ballast Lamp Type is Circline
$32.99$26.39eachYou save 20%